Why This Silverado’s Lifter Noise Disappeared After 20 Minutes: An Oil Passage Analysis
A 2009 Chevrolet Silverado 1500 with the 5.3L V8 arrived with a specific complaint: a tick from the passenger-side valve train that was present at cold start and disappeared completely within 15 to 22 minutes of driving. The customer had heard about AFM lifter collapse problems on LS-family engines and was worried he was looking […]